WO2008155526A3 - Improved activation device - Google Patents

Improved activation device Download PDF

Info

Publication number
WO2008155526A3
WO2008155526A3 PCT/GB2008/002042 GB2008002042W WO2008155526A3 WO 2008155526 A3 WO2008155526 A3 WO 2008155526A3 GB 2008002042 W GB2008002042 W GB 2008002042W WO 2008155526 A3 WO2008155526 A3 WO 2008155526A3
Authority
WO
WIPO (PCT)
Prior art keywords
activation device
toothed surface
improved activation
movement
surface portion
Prior art date
Application number
PCT/GB2008/002042
Other languages
French (fr)
Other versions
WO2008155526A2 (en
Inventor
Steve Reid
Original Assignee
Petrowell Ltd
Steve Reid
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrowell Ltd, Steve Reid filed Critical Petrowell Ltd
Priority to DK08775753.0T priority Critical patent/DK2156009T3/en
Priority to EP08775753A priority patent/EP2156009B1/en
Priority to US12/665,641 priority patent/US8689864B2/en
Priority to CA2692230A priority patent/CA2692230C/en
Publication of WO2008155526A2 publication Critical patent/WO2008155526A2/en
Publication of WO2008155526A3 publication Critical patent/WO2008155526A3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

A device for activating a downhole tool is described. The device comprises a first elongate member defining a toothed surface portion, a second elongate member defining a toothed surface portion and at least one pinion arrangement The/each pinion arrangement engages the toothed surface portions of the first and second members such that movement of one member in a first direction results in movement of the other member in a second direction, opposite the first direction.
PCT/GB2008/002042 2007-06-20 2008-06-17 Improved activation device WO2008155526A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK08775753.0T DK2156009T3 (en) 2007-06-20 2008-06-17 Improved activation device
EP08775753A EP2156009B1 (en) 2007-06-20 2008-06-17 Improved activation device
US12/665,641 US8689864B2 (en) 2007-06-20 2008-06-17 Activation device
CA2692230A CA2692230C (en) 2007-06-20 2008-06-17 Improved activation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0711871.4A GB0711871D0 (en) 2007-06-20 2007-06-20 Improved activation device
GB0711871.4 2007-06-20

Publications (2)

Publication Number Publication Date
WO2008155526A2 WO2008155526A2 (en) 2008-12-24
WO2008155526A3 true WO2008155526A3 (en) 2009-03-12

Family

ID=38332392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/002042 WO2008155526A2 (en) 2007-06-20 2008-06-17 Improved activation device

Country Status (6)

Country Link
US (1) US8689864B2 (en)
EP (1) EP2156009B1 (en)
CA (1) CA2692230C (en)
DK (1) DK2156009T3 (en)
GB (1) GB0711871D0 (en)
WO (1) WO2008155526A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9322228B2 (en) * 2012-05-31 2016-04-26 Tesco Corporation Centralizer connector
WO2015191042A1 (en) 2014-06-10 2015-12-17 Halliburton Energy Services, Inc. Constant force downhole anchor tool

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US4331315A (en) * 1978-11-24 1982-05-25 Daniel Industries, Inc. Actuatable safety valve for wells and flowlines

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GB0423992D0 (en) 2004-10-29 2004-12-01 Petrowell Ltd Improved plug
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729170A (en) * 1969-02-20 1973-04-24 Hydril Co Rotary plug valve assembly
US4331315A (en) * 1978-11-24 1982-05-25 Daniel Industries, Inc. Actuatable safety valve for wells and flowlines

Also Published As

Publication number Publication date
DK2156009T3 (en) 2012-09-17
EP2156009A2 (en) 2010-02-24
CA2692230C (en) 2016-06-07
US8689864B2 (en) 2014-04-08
WO2008155526A2 (en) 2008-12-24
EP2156009B1 (en) 2012-06-06
GB0711871D0 (en) 2007-07-25
CA2692230A1 (en) 2008-12-24
US20110100648A1 (en) 2011-05-05

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